基于MMC的多相风电系统双维改进VSG控制策略

doi:10.3969/j.issn.1008-0198.2025.04.007

湖南电力 ›› 2025, Vol. 45 ›› Issue (4): 39-48.doi: 10.3969/j.issn.1008-0198.2025.04.007

• 源网协调与能源转换利用 • 上一篇下一篇

基于MMC的多相风电系统双维改进VSG控制策略

张伟¹, 李建英², 钟丁爱¹, 张迈¹, 程谆³

1.湖南工业大学电气与信息工程学院,湖南株洲 412007;
2.湖南文理学院计算机与电气工程学院,湖南常德 415000;
3.湖南铁道职业技术学院,湖南株洲 412001

收稿日期:2025-05-06 修回日期:2025-05-25 出版日期:2025-08-25 发布日期:2025-09-05
通信作者: 程谆（1988）,女,硕士,讲师,主要研究方向为现代电力电子技术与系统。
作者简介:张伟（2001）,男,硕士研究生,主要研究方向为风力发电与并网及模块化多电平换流器控制技术。李建英（1979）,男,博士,教授,主要研究方向为电力电子变换与电能质量控制。钟丁爱（1998）,男,硕士研究生,主要研究方向为电力电子和电力传动。张迈（2001）,男,硕士研究生,主要研究方向为新能源发电和电机驱动技术。
基金资助:
国家自然科学基金项目（62273142）; 湖南省教育厅科学研究项目（23B1017）

Dual-Dimensional Improved VSG Control Strategy for Multiphase Wind Power System Based on MMC

ZHANG Wei¹, LI Jianying², ZHONG Ding’ai¹, ZHANG Mai¹, CHENG Zhun³

1. School of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China;
2. School of Computer and Electrical Engineering, Hunan University of Arts and Science, Changde 415000, China;
3. Hunan Railway Professional Technology College, Zhuzhou 412001, China

Received:2025-05-06 Revised:2025-05-25 Online:2025-08-25 Published:2025-09-05

摘要/Abstract

摘要： 针对基于模块化多电平换流器（modular multilevel converter,MMC）的多相风力发电系统中,传统MMC因缺乏转动惯量导致的频率调节能力不足及功率振荡问题,提出一种双维改进VSG控制。通过有功偏差实时补偿机制优化频率输出特性,设计基于运行工况的参数动态调整策略,实现有功-频率控制参数的自适应匹配,有效抑制暂态过程中的功率振荡与频率波动,基于MATLAB/Simulink平台搭建仿真模型。仿真结果表明,在动态响应速度、频率稳定性等方面所提策略相较于传统控制方法均有更优的效果。

关键词: 多相风力发电, 模块化多电平换流器, 虚拟同步机, 有功-频率控制, 参数自适应

Abstract: Focusing on the multiphase wind power generation system based on modular multilevel converter (MMC), this paper studies the insufficient frequency regulation ability and power oscillation caused by the lack of moment of inertia of traditional MMC, and proposes a dual-dimensional improved VSG control strategy. The frequency output characteristics are optimized through the real-time compensation mechanism of active power deviation. A parameter dynamic adjustment strategy based on the operating conditions is designed to realize the adaptive matching of active power-frequency control parameters, which effectively suppresses power oscillation and frequency fluctuation in the transient process. A simulation model is built based on MATLAB/Simulink platform. The simulation results show that the proposed strategy has better effect in terms of dynamic response speed and frequency stability compared with the traditional control method.

Key words: multiphase wind power generation, modular multilevel converter(MMC), virtual synchronous generator, active-frequency control, parameter adaptation

中图分类号:

TM614

张伟, 李建英, 钟丁爱, 张迈, 程谆. 基于MMC的多相风电系统双维改进VSG控制策略[J]. 湖南电力, 2025, 45(4): 39-48.

ZHANG Wei, LI Jianying, ZHONG Ding’ai, ZHANG Mai, CHENG Zhun. Dual-Dimensional Improved VSG Control Strategy for Multiphase Wind Power System Based on MMC[J]. Hunan Electric Power, 2025, 45(4): 39-48.

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基于MMC的多相风电系统双维改进VSG控制策略

Dual-Dimensional Improved VSG Control Strategy for Multiphase Wind Power System Based on MMC

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